Filtering vs. nonlinear estimation procedures for image enhancement

Authors:
Barbara Džaja;Mirjana Bonkovic;Spomenka Bovan
Affiliations:
University of Split, Croatia;University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, Croatia;University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, Croatia
Venue:
WSEAS Transactions on Computers
Year:
2009

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Abstract

Image enhancement methods can be divided into two groups: the ones that use only one single image and the ones that rely on specific training set or use multiple images. In this paper an iterative algorithm, based on the quasi-Newton methods, is introduced with the objective to enhance resolution only by one single image. In the paper there will be compared results gained depending on the used method: nonlinear iterative algorithm vs. filtering algorithm with EMD. Empirical Mode Decomposition can be treated as filtering procedure for image enhancement.